CN101351602A - Grid tee for suspension ceiling - Google Patents

Grid tee for suspension ceiling Download PDF

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Publication number
CN101351602A
CN101351602A CNA200680050204XA CN200680050204A CN101351602A CN 101351602 A CN101351602 A CN 101351602A CN A200680050204X A CNA200680050204X A CN A200680050204XA CN 200680050204 A CN200680050204 A CN 200680050204A CN 101351602 A CN101351602 A CN 101351602A
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CN
China
Prior art keywords
stratification
rod
grid component
flat tube
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA200680050204XA
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Chinese (zh)
Other versions
CN101351602B (en
Inventor
小詹姆斯·J·勒汉
佩德·J·古尔布兰森
马丁·E·利科扎尔
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USG Interiors LLC
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USG Corp
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Publication date
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Publication of CN101351602A publication Critical patent/CN101351602A/en
Application granted granted Critical
Publication of CN101351602B publication Critical patent/CN101351602B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/06—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members
    • E04B9/065—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section
    • E04B9/067—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section with inverted T-shaped cross-section
    • E04B9/068—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation characterised by constructional features of the supporting construction, e.g. cross section or material of framework members comprising supporting beams having a folded cross-section with inverted T-shaped cross-section with double web
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
    • E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
    • E04C2003/0439—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the cross-section comprising open parts and hollow parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/046—L- or T-shaped
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49616—Structural member making
    • Y10T29/49623—Static structure, e.g., a building component
    • Y10T29/49625—Openwork, e.g., a truss, joist, frame, lattice-type or box beam
    • Y10T29/49627—Frame component

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Panels For Use In Building Construction (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Finishing Walls (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

A roll-formed sheet metal tee for grid type suspended ceilings with the face of its flange integral with the stem and the layers of the stem fixed together for improved torsional strength. An upper region of the stem can have one or more of its layers folded to increase suspension wire breakout strength. A stiffening bulb is below suspension wire receiving holes so that a loop of the suspension wire through the tee has a narrow profile and thereby avoids interference with ceiling panels during their installation or removal.

Description

The grid tee that is used for furred ceiling
Technical field
The present invention relates to a kind of ceiling system, more particularly, relate to a kind of improved grid tee.
Background technology
The furred ceiling that is widely used in the commercial building typically adopts a kind of rectangular mesh system that supports embedded ceiling panel or tile.This grid is made of the rule balladeur train at interval with right angle intersection.These balladeur trains are generally the form of inverted T shape part.These T shape parts generally hang with wire rod, and ceiling panel or tile are put on the flange that is placed on these T shape parts.
In the furred ceiling manufacture, the design of grid tee and manufacturing have obtained highly improvement.Made that in the continuous effort aspect the improvement these ceiling systems are extensively received in builing industry.But, in the reduction of the improvement in performance of grid system and cost thereof, still have challenge.
Summary of the invention
The invention provides a kind of grid tee that is used for furred ceiling of improvement, its compared with prior art, such grid tee can and can obtain bigger strength and stiffness with lower-cost manufacture of materials.The present invention utilizes himself folding single metal bar, even its mode of occupation makes tenor reduce, also can make flexural strength and torsional rigidity and suspension line breaking strength become big.The visible face that the folding cross section of bonding jumper advantageously adopts T shape part is as main structural member, so this visible face is used for increasing rigidity.Is particularly advantageous with the visible face material as structural element, because the residing position of visible face material makes it have maximum benefit because of helping polar moment of inertia.The longitudinal edge of folded metal bar is folded and contacts with each other and be locked in together on side direction and longitudinal direction, thereby significantly increases the torsional rigidity of T shape part.
A plurality of sheet layers at the place, top in inverted T shape part cross section allow suspension line is passed this zone and do not have the danger that forms low breaking strength.This multilayer top is positioned at the top of the reinforcement ball flat tube that extends laterally.This geometry makes needn't twine this ball flat tube itself with suspension wire loop.Therefore, the width of suspension wire loop can be littler than the width of ball flat tube.Thereby can easily install apace and remove the furred ceiling tile, and not exist because of interfering damage or the difficulty that causes with oversize suspension wire loop.
Description of drawings
Fig. 1 is the phantom drawing of grid tee constructed according to the invention;
Fig. 2 is the amplification cross-sectional view of grid tee;
Fig. 3 is the amplification front elevation of a part on the top of grid tee;
Fig. 4 is the viewgraph of cross-section along the top of the obtained grid tee of the plane 4-4 that points out among Fig. 3, and its layer that shows grid tee is locked into together a kind of mode;
Fig. 5 is and the similar view of Fig. 4 that it has provided another example of mode together that the layer on the top of grid tee is locked into;
Fig. 6 is the phantom drawing of the part of grid tee according to another embodiment of the invention;
Fig. 7 is the viewgraph of cross-section along the obtained grid tee of the plane 7-7 that points out among Fig. 6;
Fig. 8 is the viewgraph of cross-section of improved grid tee;
Fig. 9 is the viewgraph of cross-section of another kind of improved grid tee;
Figure 10 is the viewgraph of cross-section of another improved grid tee; And
Figure 11 is the viewgraph of cross-section of another improved grid tee.
The specific embodiment
Grid tee 10 is preferably formed by a slice bonding jumper, and described bonding jumper can be by zinc-plated or otherwise handle with anticorrosive.Preferably, adopt and well known to a person skilled in the art that the roll forming technology makes T shape part 10 and have cross section for example shown in Figure 2.Preferably, before bonding jumper forms T section, be to core 12 japannings of bonding jumper 11.The core 12 of having gone up lacquer forms visible face 13.Two relative edges in visible face 13 are folded back this sheet bonding jumper 11 to form double-deck flange 14, and described flange 14 extends laterally on two opposite sides edges of central plate or bar 16.The internal layer 17 of flange 14 extends to the imaginary plane 18 at center from the outboard end of flange, and preferably substantially on its whole width in abutting connection with skin or core 12.The internal layer 17 of flange 14 intersects at imaginary plane 18 places, and at imaginary plane 18 places, thereby this sheet bonding jumper bends with the right angle plate 16 is formed double-deck 19,20.Certain distance above flange 14 (it is preferably more than overall height only about half of of plate 16) is located, and flaggy 19,20 is respectively formed at the groove 21 of medial surface upper shed.In ideal conditions, groove 21 is the mirror images that are symmetrical arranged and cooperate another groove of the reinforcement ball flat tube (bulb) 22 that forms hollow about central imaginary plane 18.The cross section of shown ball flat tube 22 is roughly circle, but can have other shapes, such as rectangle.
At 24 places, top above the ball flat tube 22 of being positioned at of plate 16, two flaggies 19,20 are at central imaginary plane 18 places or near one section vertical distance of central imaginary plane 18 butts, and in the example that illustrates, this section vertically distance approximates the vertical length of ball flat tube 22.The layer 20 of plate 16 1 sides is 19 wideer than the layer of opposite side, makes the extra wide part 26 that goes out can be folded on another layer 19.Therefore, the top edge of plate 16 comprises the three-layer tablet material.The zigzag tab 31 (lanced tab) of the material of the layer 19,20 and 26 at upper rim 24 places of plate 16 by piercing through these layers with suitable punch press is by fixed with each other.Each zigzag tab 31 can be bent so that it shortens, a part is taken back in the plane of plate 16 but does not align with its original layer then, therefore, it pins the edge of adjacent layer, thereby stops this adjacent layer along the longitudinal direction generation relative motion and the what other party in office of T shape part relative motion to take place upwards.As shown in Figure 4, in the example that illustrates, zigzag tab 31 is 4 one group, a pair of figure plane top that moves to Fig. 3 on the right.Similarly, a pair of of the left side separates below figure plane.
Generally speaking, the bottom of plate 16 is formed with aims at the otch that vertically separates 36 that passes layer 19,20, is used to receive the end connection of traditional cross T shape part (cross tee).Hole or opening 37 are gone out or otherwise form in length direction compartment of terrain along T shape part 10 on the top 24 of plate 16.These holes 37 are used to utilize wire rod to hang T shape part 10 and finally are supported on furred ceiling tile on the T shape part, and are such as shown in Figure 2.Disclosed structure (the wherein suspension line 38 assembled a plurality of layers 19,20,26 that pass smooth, the vertical butt of the plate 16 that is positioned at reinforcement or reinforcement ball flat tube 22 tops) allows around the profile or the scope relative narrower of the wire loop 39 on plate top 24, and the width on the plane vertical with T shape part longitudinal direction is less than the width of ball flat tube 22.This is particularly advantageous when installing and removing the furred ceiling tile, because the interference between wire loop 39 and the tile has obtained eliminating effectively, and has avoided damaging the danger of tile effectively.This feature can reduce the total set-up time and the cost of ceiling system.
Except zigzag tab 31, can also use diverse ways that the sheet metal layer 19,20 and 26 that is positioned at upper area 24 places of plate 16 is locked together, so that between these layers, can not take place to slide relatively longitudinally.Fig. 5 shows and is used for another kind of substitute mode that layer 19,20 and 26 is locked together. Layer 19,20 and 26 is run through in hole 41, and the material of one of them layer 19 rivet or the eyelet 42 that form as one.Hole 41 can be used to by passing this hole with suspension line 38 grid tee be hung.Perhaps, can pass through additive method,, fix the layer 19,20 and 26 on upper area or top 24, relative motion take place to stop them such as utilizing independent securing member, welding and/or binding agent etc.With these layers is to compare with the situation of sliding relative to each other freely, is fixed together by these layers with bar or plate 16, has increased the torsional rigidity of T shape part or grid component.
Fig. 6 and 7 shows second embodiment of grid tee constructed according to the invention 50.Preferably, T shape part is formed by single metal bar 51, and the central area of this bonding jumper one side scribbles the front 52 of paint to finish exposed surface 53.Ideally, bonding jumper was wanted zinc-plated or otherwise processes avoiding to corrode before japanning.Preferably, adopt the roll forming technology to come forming metal bar 51, and will himself be folded back to form two relative parts 54 of lower flange 56.Ideally, inward flange layer 57 is butt positive layer 53 on whole width roughly, and wherein the whole width of inward flange layer is less than half of positive layer width.At the inner edge place of inward flange layer 57, the sheet material of T shape part is bent upwards vertically to form each side 58 of hollow bulb 59, and described hollow bulb forms the bottom of plate or bar 61.At the top of ball flat tube 59, the imaginary plane 62 of the layer turning center of sheet material or bonding jumper 51 folds at the central plane place then or is bent upwards, so that the part 63 of bonding jumper 51 forms the upper area 65 of plates 61.The layer 63 on plate top is fixed together by rivet or eyelet 60 that the material of layer 63 forms by each, and described rivet or eyelet 60 are by the hole on another layer, then with its overturning or clench with the flange on the outside that forms another layer 64.In case of necessity, it is the same with the zone similarity 24 of the T shape part 10 shown in Fig. 2 that the upper area 65 of plate 61 can be configured to, thereby include three layers on this zone of plate.Shown in Fig. 6 and 7, like that, can allow suspension line 38 pass the selected hole or the opening 66 of rivet 60, and center on a part of formation of knots of the upper area of plate.The same with grid tee 10, the upper area 65 of plate 61 can lock together with other replacements or additional technology (such as riveted joint, use independent securing member, welding and/or binding agent etc.) a plurality of layers with it.Along the length direction of T shape part 50, in the rule center of (such as every 6 inches) at interval, local distortions take place in the side 58 of hollow bulb 59, form ellipse with enough degree of depth or rectangle recess 71 so that the sheet material butt of each side 58.The height of recess 71 is enough to form vertical otch 72 in each layer of side 58, is used to receive the end connection of cross T shape part.The height of recess 71 and width are enough to the receiving terminal connector and allow it to pass each otch 72.In the hole in being formed at the upper area of plate, some can be clenched into the form of eyelet.
T shape part 10 and 50 end can be furnished with the standard connector; Typically, by wall or side 58 are pressed together, flattened to admit the standard connector in the end of T shape part 50.
Fig. 8-11 shows the extra alternative embodiment of T shape part structure.In Fig. 8, the T shape part 75 of the sheet metal of Xing Chenging has flange 76 and bar 77 in the above described manner, and bar 77 comprises hollow bulb part 78 and top 79, and described top 79 is formed by single bonding jumper.As described above, bonding jumper is from folding on flange, and the bar zone is away from hollow bulb 78.Be clipped in the middle with the upper area or the part 79 of the independent inverted U-shaped metallic channel 81 that is shaped bar.Can obtain groove 81 through roll forming with bonding jumper.The layer of the top 79 of bar and groove 81 is fixed together by any method in the method for above-mentioned T shape part.
The structure of the T shape part of describing among Fig. 9 85 and the T shape part 75 of Fig. 8 are similar, and with some part of identical numerical reference.The middle bar 86 of top 79 usefulness of bar is strengthened its layer, and described middle bar 86 is preferably made by suitable metal, such as steel.As before, adopt one of above-mentioned technology that the top of bar 79 and the butt layer of bar 86 are locked together.
Figure 10 shows a kind of T shape part 90 that extrudes, and it has flange 91 and bar 92.Bar 92 comprises the ball flat tube 93 of hollow.T shape part 90 can be made by aluminium or other suitable metals or plastics.
Figure 11 shows another kind of T shape part 95, and its metal sheet roof covering by roll forming forms, and is similar with the previously described T shape part of being made by bonding jumper.T shape part 95 comprises main body bar 96 and cap strip 97.Main body bar 96 forms upper strata or the internal layer and the bar 99 of flange 98.Cap strip 97 forms the covering layer or the outer coversheet of flange 98, and comprises edging 101 inwardly, and edging 101 locks together the adjacent domain of cap strip 97 on the main bar 96 and bar 99.Bar 99 comprises the ball flat tube 102 and the top 103 of hollow.
In the various structures of Fig. 8-11, along the length direction of T shape part, the compartment of terrain is provided with hole 106 in the top of bar and any structure that is associated.Suspension line 38 can pass this hole 106 formation of knots on the top that is arranged in the hollow bulb top of the bar of T shape part or plate.This feature, as the feature in the structure of Fig. 1-7, the width with each ball flat tube is the same little at least to allow the width of wire loop 39, thereby avoids with the installation of furred ceiling tile or remove interfering.
Though illustrate and described the present invention with reference to specific embodiment of the present invention, but this is just for purposes of illustration rather than in order to limit the invention, and to those skilled in the art, other modification of these specific embodiments and improvement will obviously drop in the desired spirit and scope of the present invention.For example, can be formed with sheet-metal layers by carrying out the extra folding upper edge region that makes plate more than 3.Therefore, this patent should not be limited in the scope and effect of the specific embodiment that illustrates herein and describe, should not be subjected to the restriction of other modes of causing with this area progress degree varies that realizes by the present invention yet.

Claims (16)

1. grid component that is used for the roll forming of furred ceiling, it is made by the single metal sheet,
Described member is roughly about vertical central imaginary plane symmetry, and its cross section comprises: along the horizontal lower flange that extends laterally, this lower flange constitutes by being folded back the double layer of metal bar that obtains at described bonding jumper lateral end place in the central plane both sides; The roughly vertical bar that forms by two-layer described bonding jumper, in the both sides of described imaginary plane a rod stratification is arranged respectively, described rod stratification is fixed together to prevent to take place longitudinally slip relatively between them, therefore, compare with the situation that described layer slides relative to one another, increased the torsional rigidity of this grid component.
2. grid component as claimed in claim 1, wherein: described rod stratification is the butt contact in a zone.
3. grid component as claimed in claim 2, wherein: described rod stratification is separated in the zone above described contact area, and forms the ball flat tube of strengthening.
4. grid component as claimed in claim 2, wherein: in the zone below described contact area, described rod stratification is separated to form the ball flat tube of reinforcement.
5. grid component as claimed in claim 2, wherein: described rod stratification is formed with the opening of aligning, and described opening receives the suspension line that is used for supporting from the top grid component.
6. grid component as claimed in claim 2, wherein: described contact area is positioned at wherein said rod stratification basically along the top in any zone that side direction is separated.
7. grid component as claimed in claim 6, wherein: the described rod stratification in the described contact area is formed with the opening that receives the overhung line.
8. grid component as claimed in claim 6, wherein: a rod stratification in the described rod stratification is folding to form the 3rd layer at described contact area place at described contact area place.
9. grid component as claimed in claim 8, wherein: a described rod stratification fold into another independent rod stratification in the described rod stratification above.
10. grid component as claimed in claim 8, wherein: the described rod stratification of all of described contact area place all is formed with the opening that receives the overhung line.
11. grid component as claimed in claim 6, wherein: the ball flat tube that described rod stratification is separately strengthened with formation the zone that vertically extends to described contact area from described flange.
12. grid component as claimed in claim 11, wherein: the described rod stratification that forms described reinforcement ball flat tube is formed with the inside recess of side direction of the contact that is adjacent to each other on rule position at interval, and described layer has the otch of aligning to receive the connector of cross T shape part at described recess place.
13. grid component that is used for the roll forming of furred ceiling, it is made by sheet metal, roughly about a vertical imaginary plane symmetry, its cross section comprises described member: along the horizontal lower flange that extends laterally, this lower flange is formed by described bonding jumper in the central plane both sides; The roughly vertical bar that forms by two-layer described bonding jumper, in the both sides of described imaginary plane a rod stratification is arranged respectively, separately to form the ball flat tube of strengthening, adjacency contacts described rod stratification in the zone of described rod stratification above described reinforcement ball flat tube above described lower flange; And the opening of the aligning that longitudinally separates in the described layer on described contact area, this opening is used to receive the ring that is formed by suspension line.
14. the grid component of roll forming as claimed in claim 13, wherein: one of described rod stratification in the described zone is folding to form other layer in described zone.
15. the grid component of roll forming as claimed in claim 13, wherein: the described rod stratification that forms the ball flat tube of described reinforcement vertically has recess on the position spaced, at described recess place, described rod stratification is in abutting connection with the otch that contacts and be formed with aligning, and described otch is used to receive the connector of cross T shape part.
16. grid component that is used for furred ceiling, comprise roughly main body about vertical central imaginary plane symmetry, the cross section of this grid component comprises: horizontal lower flange that extends laterally on edge, central plane both sides and the bar that vertically extends above described horizontal lower flange, described bar comprises the hollow bulb part and is positioned at the top of ball flat tube top, therefore described top does not have air space basically, and it is thinner than described ball flat tube on lateral, described top has the hole that is used to receive suspension line that longitudinally separates, and the stand out between the top of bar and the cavity of bar makes by allowing suspension line pass suspension wire loop that the hole in the top forms basically than passing or narrow around the suspension wire loop of described ball flat tube part.
CN200680050204XA 2005-11-21 2006-10-10 Grid tee for suspension ceiling Expired - Fee Related CN101351602B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/283,619 2005-11-21
US11/283,619 US7516585B2 (en) 2005-11-21 2005-11-21 Grid tee for suspension ceiling
PCT/US2006/039639 WO2007061524A2 (en) 2005-11-21 2006-10-10 Grid tee for suspension ceiling

Publications (2)

Publication Number Publication Date
CN101351602A true CN101351602A (en) 2009-01-21
CN101351602B CN101351602B (en) 2011-11-30

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CN200680050204XA Expired - Fee Related CN101351602B (en) 2005-11-21 2006-10-10 Grid tee for suspension ceiling

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US (3) US7516585B2 (en)
EP (1) EP1951966B1 (en)
JP (1) JP2009516791A (en)
CN (1) CN101351602B (en)
AU (1) AU2006317658A1 (en)
BR (1) BRPI0618774A2 (en)
CA (1) CA2630383C (en)
RU (1) RU2008125127A (en)
WO (1) WO2007061524A2 (en)
ZA (1) ZA200804293B (en)

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EP1951966A2 (en) 2008-08-06
CN101351602B (en) 2011-11-30
WO2007061524A3 (en) 2007-11-22
US20090158684A1 (en) 2009-06-25
CA2630383A1 (en) 2007-05-31
AU2006317658A1 (en) 2007-05-31
EP1951966B1 (en) 2015-01-21
WO2007061524A2 (en) 2007-05-31
BRPI0618774A2 (en) 2011-09-13
CA2630383C (en) 2015-06-30
EP1951966A4 (en) 2012-10-10
ZA200804293B (en) 2009-09-30
US20070125038A1 (en) 2007-06-07
JP2009516791A (en) 2009-04-23
US7832168B2 (en) 2010-11-16
US8266860B2 (en) 2012-09-18
US20080134611A1 (en) 2008-06-12
US7516585B2 (en) 2009-04-14
RU2008125127A (en) 2009-12-27

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